/* 头部 */
.header .nav li:nth-child(4)::before {
  content: '';
  display: inline-block;
  width: 100%;
  height: 4px;
  background-color: #e14f60;
  position: absolute;
  top: 0;
  left: 0;
}

.header .nav li:nth-child(4) a {
  color: #e14f60 !important;
}

/* banner */
.banner {
  /* height: 8.56rem; */
  background-color: #000;
  padding-top: .77rem;
}

.banner .box {
  height: 100%;
  background: url(../images/case/bg.png) no-repeat;
  background-size: 100% 100%;
  text-align: center;
  color: #fff;
}

.banner .box h1 {
  font-size: .46rem;
  padding-bottom: .15rem;
  position: relative;
}

.banner .box h1::after {
  content: '';
  display: block;
  height: 0.08rem;
  width: 0.43rem;
  background-color: #fff;
  border-radius: .04rem;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -0.05rem;
}

.banner .box hr {
  width: 2.82rem;
  height: 0.02rem;
  background-color: #fff;
  margin: 0 auto;
}

.banner .box p {
  font-size: .2rem;
  margin: .16rem 0 .5rem;
}

.banner .box .list1 {
  margin: 0 .3rem .9rem;
  display: flex;
  justify-content: space-between;
}

.banner .box .list1 li {
  width: 18%;
  font-size: .31rem;
  position: relative;
  border: 1px solid #0c1434;
  border-radius: .22rem;
}

/* .banner .box .list1 li:hover {
  border: 0.02rem solid #fff;
  transform: scale(1.06);
  border-radius: .22rem;
  transition: all .5s;
} */
.list1_active {
  border: 0.02rem solid #fff !important;
  transform: scale(1.06);
  border-radius: .22rem;
  transition: all .5s;
}

.banner .box .list1 li::after {
  content: '';
  width: 0.02rem;
  height: 0.17rem;
  background-color: #fff;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: -.14rem;
}

.banner .box .list1 li:last-child::after {
  width: 0;
  height: 0;
}

.banner .box .list2 {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 0 .5rem;
}

.banner .box .list2 img {
  width: 23%;
  height: 16%;
  margin-bottom: .5rem;
}

/* main */
.main {
  padding-top: .63rem;
}

.main .middle .box {
  background-color: #fff;
  margin-bottom: .32rem;
}

.main .middle .right {
  padding: .2rem 0 0rem .6rem;
}



.main .middle .right h1 {
  font-size: .36rem;
  margin-bottom: .4rem;
}

.main .middle .right p {
  font-size: .2rem;
  color: #6d7783;
  line-height: .35rem;
}

.main .middle .right button {
  height: 0.48rem;
  line-height: .48rem;
  padding: 0 .18rem;
  font-size: .2rem;
  color: #fff;
  background: linear-gradient(to right, #ff9ca1, #ee3f4c);
  background: -webkit-linear-gradient(to right, #ff9ca1, #ee3f4c);
  margin-top: .32rem;
}

/* 适配 */
@media screen and (max-width:1440px) {
  html {
    font-size: 75px;
  }

}

@media screen and (max-width:1280px) {
  html {
    font-size: 60px;
  }

}

@media screen and (max-width:992px) {
  html {
    font-size: 60px;
  }

}

@media screen and (max-width:768px) {
  html {
    font-size: 45px;
  }

  .main .middle .right {
    padding: .4rem 0 0rem .6rem;
  }

  .main .middle .right h1 {
    margin-bottom: .6rem;
  }

  .main .middle .right button {
    margin-top: .30rem;
  }

  .footer {
    margin-top: .8rem;
  }
}

@media screen and (max-width:420px) {
  html {
    font-size: 40px;
  }

  .banner .box {
    padding: 0;
  }

  .banner .box .list1 {
    margin: 0 0 .9rem;
  }

  .main .middle .right {
    padding: .1rem 0 0rem .6rem;
  }

  .main .middle .right h1 {
    margin-bottom: .2rem;
  }

  .main .middle .right button {
    margin-top: .16rem;
  }
}